html_url,issue_url,id,node_id,user,user_label,created_at,updated_at,author_association,body,reactions,issue,issue_label,performed_via_github_app
https://github.com/simonw/datasette/issues/292#issuecomment-392343839,https://api.github.com/repos/simonw/datasette/issues/292,392343839,MDEyOklzc3VlQ29tbWVudDM5MjM0MzgzOQ==,9599,simonw,2018-05-27T16:10:09Z,2018-06-04T17:38:04Z,OWNER,"The more efficient way of doing this kind of count would be to provide a mechanism which can also add extra fragments to a `GROUP BY` clause used for the `SELECT`.

Or... how about a mechanism similar to Django's `prefetch_related` which lets you define extra queries that will be called with a list of primary keys (or values from other columns) and used to populate a new column? A little unconventional but could be extremely useful and efficient.

Related to that: since the per-query overhead in SQLite is tiny, could even define an extra query to be run once-per-row before returning results.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",326800219,Mechanism for customizing the SQL used to select specific columns in the table view,